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Aquosity wood lacquer emulsions, method of preparing the emulsions and aquosity wood lacquer of the same

A water-based wood paint and emulsion technology, applied in latex paint, devices for coating liquid on the surface, coatings, etc., can solve the problems of good aging resistance, poor aging resistance, easy yellowing, etc., and achieve enhanced stability , strong photochromic resistance and antibacterial properties, evenly distributed effect

Inactive Publication Date: 2008-01-23
CHINA UNIV OF MINING & TECH (BEIJING)
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The acrylic emulsion paint film is soft, but it has good aging resistance; the two-component polyurethane emulsion needs to add a curing agent when it is used, which is inconvenient to use, and its aging resistance is poor, and it is easy to yellow, etc.
Some people compound water-based acrylic with polyurethane, but it cannot fundamentally solve the above problems

Method used

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  • Aquosity wood lacquer emulsions, method of preparing the emulsions and aquosity wood lacquer of the same
  • Aquosity wood lacquer emulsions, method of preparing the emulsions and aquosity wood lacquer of the same
  • Aquosity wood lacquer emulsions, method of preparing the emulsions and aquosity wood lacquer of the same

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0040] (1) Preparation of water-based wood paint emulsion

[0041] Follow the steps below to produce water-based wood paint emulsion:

[0042] 1. Prepare materials according to the following weight ratio:

[0043] Methyl methacrylate (MMA) 50kg

[0044] Diacetone acrylamide (DAAM) 5kg

[0045] Butyl acrylate (BA) 45kg

[0046] Alkylphenol polyoxyethylene ether ammonium sulfate (R-436) 1.6kg

[0047] Sodium dodecyl sulfate (SDS) 1.5kg

[0048] Composite nano oxide slurry 5kg

[0049] Sodium bicarbonate (SBC) 0.4kg

[0050] Potassium persulfate (KSP) 0.5kg

[0051] Deionized water (H 2 O) 100kg

[0052] Triethanolamine 1.8kg

[0053] Defoamer (BYK-028 (silicone type)) 0.5kg

[0054] The composite nano oxide slurry is prepared according to the following steps:

[0055] 1) Prepare materials according to the following parts by weight:

[0056] Nano Al 2 O 3 :1; Nano TiO 2 :1; Surfactant sodium polyacrylate: 0.05; Water: 5;

[0057] Surfactants can also choose anionic surfactants or a mix...

Embodiment 2

[0090] (1) Water-based wood paint emulsion

[0091] Follow the steps below to produce water-based wood paint emulsion:

[0092] 1. Prepare materials according to the following weight ratio:

[0093] Methyl methacrylate (MMA) 72kg

[0094] Diacetone acrylamide (DAAM) 3kg

[0095] Butyl acrylate (BA) 25kg

[0096] Alkylphenol polyoxyethylene ether (OP-10) 1.7kg

[0097] Sodium dodecyl sulfate (SDS) 1.7kg

[0098] Composite nano oxide slurry 8kg

[0099] Sodium bicarbonate (SBC) 0.3kg

[0100] Ammonium persulfate (ASP) 0.6kg

[0101] Deionized water (H 2 O) 95kg

[0102] Ammonia (NH 3 ·H 2 O) 2kg

[0103] Defoamer (NXZ) 0.3kg

[0104] The composite nano oxide slurry is prepared according to the following steps:

[0105] 1) Prepare materials according to the following parts by weight:

[0106] Nano Al 2 O 3 :3; Nano TiO 2 :1; Surfactant polyacrylamide: 0.08; Water: 6;

[0107] 2) Preparation of nano-Al by mechanical grinding method 2 O 3 And TiO 2 Mixed oxide slurry, that is, the nano...

Embodiment 3

[0139] (1) Water-based wood paint emulsion

[0140] Follow the steps below to produce water-based wood paint emulsion:

[0141] 1. Prepare materials according to the following weight ratio:

[0142] Methyl methacrylate (MMA) 60kg

[0143] Diacetone acrylamide (DAAM) 5kg

[0144] Butyl acrylate (BA) 35kg

[0145] Alkylphenol polyoxyethylene ether ammonium sulfate (R-436) 1.5kg

[0146] Sodium dodecyl sulfate (SDS) 1.4kg

[0147] Composite nano oxide slurry 6kg

[0148] Sodium bicarbonate (SBC) 0.5kg

[0149] Ammonium persulfate (APS) 0.4kg

[0150] Deionized water (H 2 O) 90kg

[0151] 2-Amino-2-methyl-1-propanol (AMP-95) 1.5kg

[0152] Defoamer (NXZ) 0.4kg

[0153] The composite nano-oxide slurry is prepared according to the following steps:

[0154] 1) Prepare materials according to the following proportions by weight:

[0155] Nano Al 2 O 3 :2; Nano TiO 2 :0.5; Surfactant: 0.06; Water: 4

[0156] Among them, the surfactant is a compound of sodium polyacrylate and PO-EO block com...

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Abstract

The invention provides a preparation method of the waterborne woodenware finishes emulsion. The method is that the composite nano sizing agent is added during the synthetic process of the emulsion and comprises the following raw materials of the weight portion ratio: Al2O3: 1 to 3; TiO2: 0.5 to 1; surfactant: 0.04 to 0.08; water: 3 to 6. The invention adopts the composite nano Al2O3 and TiO2 sizing agents to participate in the polyreaction of the emulasion to make the nano Al2O3 and TiO2 sizing agents distribute evenly in the emulsion and not move during drying the paint film, therefore, the waterborne woodenware finishes prepared by the emulsion not only has good stability, that is, precipitate will not happen even if stored over 6 months, but also has good rigidity, wear resistance, resistance to temperature fluctuations, phototropy resistance and antibacterial property.

Description

Technical field [0001] The invention relates to an emulsion of a water-based wood paint, a preparation method of the emulsion and a water-based wood paint, in particular to an acrylic emulsion of a water-based wood paint, a preparation method of the emulsion and the water-based wood paint. Background technique [0002] Compared with oil-based wood paint, water-based wood paint has the characteristics of non-toxicity. Therefore, the development and maturity of water-based wood paint is an inevitable trend when environmental protection issues are attracting much attention today. [0003] The usual preparation method of the existing water-based wood paint is: the water-based wood paint emulsion, deionized water, additives, color paste, etc. are added to the mixing kettle, and the water-based wood paint is uniformly stirred and then thickened. The most important influence on the film of water-based wood paint is the performance of the emulsion. Because the film-forming mechanism of w...

Claims

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Application Information

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IPC IPC(8): C08F220/14C08F2/44C08F2/26C09D133/12C09D5/02B05D7/06
Inventor 王启宝万祥龙
Owner CHINA UNIV OF MINING & TECH (BEIJING)
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